Win32 API 日本語リファレンス
ホームStorage.FileSystem › SetFileTime

SetFileTime

関数
ファイルの作成・アクセス・更新時刻を設定する。
DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// KERNEL32.dll
#include <windows.h>

BOOL SetFileTime(
    HANDLE hFile,
    const FILETIME* lpCreationTime,   // optional
    const FILETIME* lpLastAccessTime,   // optional
    const FILETIME* lpLastWriteTime   // optional
);

パラメーター

名前方向
hFileHANDLEin
lpCreationTimeFILETIME*inoptional
lpLastAccessTimeFILETIME*inoptional
lpLastWriteTimeFILETIME*inoptional

戻り値の型: BOOL

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

BOOL SetFileTime(
    HANDLE hFile,
    const FILETIME* lpCreationTime,   // optional
    const FILETIME* lpLastAccessTime,   // optional
    const FILETIME* lpLastWriteTime   // optional
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool SetFileTime(
    IntPtr hFile,   // HANDLE
    IntPtr lpCreationTime,   // FILETIME* optional
    IntPtr lpLastAccessTime,   // FILETIME* optional
    IntPtr lpLastWriteTime   // FILETIME* optional
);
<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetFileTime(
    hFile As IntPtr,   ' HANDLE
    lpCreationTime As IntPtr,   ' FILETIME* optional
    lpLastAccessTime As IntPtr,   ' FILETIME* optional
    lpLastWriteTime As IntPtr   ' FILETIME* optional
) As Boolean
End Function
' hFile : HANDLE
' lpCreationTime : FILETIME* optional
' lpLastAccessTime : FILETIME* optional
' lpLastWriteTime : FILETIME* optional
Declare PtrSafe Function SetFileTime Lib "kernel32" ( _
    ByVal hFile As LongPtr, _
    ByVal lpCreationTime As LongPtr, _
    ByVal lpLastAccessTime As LongPtr, _
    ByVal lpLastWriteTime As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

SetFileTime = ctypes.windll.kernel32.SetFileTime
SetFileTime.restype = wintypes.BOOL
SetFileTime.argtypes = [
    wintypes.HANDLE,  # hFile : HANDLE
    ctypes.c_void_p,  # lpCreationTime : FILETIME* optional
    ctypes.c_void_p,  # lpLastAccessTime : FILETIME* optional
    ctypes.c_void_p,  # lpLastWriteTime : FILETIME* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetFileTime = Fiddle::Function.new(
  lib['SetFileTime'],
  [
    Fiddle::TYPE_VOIDP,  # hFile : HANDLE
    Fiddle::TYPE_VOIDP,  # lpCreationTime : FILETIME* optional
    Fiddle::TYPE_VOIDP,  # lpLastAccessTime : FILETIME* optional
    Fiddle::TYPE_VOIDP,  # lpLastWriteTime : FILETIME* optional
  ],
  Fiddle::TYPE_INT)
#[link(name = "kernel32")]
extern "system" {
    fn SetFileTime(
        hFile: *mut core::ffi::c_void,  // HANDLE
        lpCreationTime: *const FILETIME,  // FILETIME* optional
        lpLastAccessTime: *const FILETIME,  // FILETIME* optional
        lpLastWriteTime: *const FILETIME  // FILETIME* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool SetFileTime(IntPtr hFile, IntPtr lpCreationTime, IntPtr lpLastAccessTime, IntPtr lpLastWriteTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetFileTime' -Namespace Win32 -PassThru
# $api::SetFileTime(hFile, lpCreationTime, lpLastAccessTime, lpLastWriteTime)
#uselib "KERNEL32.dll"
#func global SetFileTime "SetFileTime" sptr, sptr, sptr, sptr
; SetFileTime hFile, varptr(lpCreationTime), varptr(lpLastAccessTime), varptr(lpLastWriteTime)   ; 戻り値は stat
; hFile : HANDLE -> "sptr"
; lpCreationTime : FILETIME* optional -> "sptr"
; lpLastAccessTime : FILETIME* optional -> "sptr"
; lpLastWriteTime : FILETIME* optional -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
出力引数:
#uselib "KERNEL32.dll"
#cfunc global SetFileTime "SetFileTime" sptr, var, var, var
; res = SetFileTime(hFile, lpCreationTime, lpLastAccessTime, lpLastWriteTime)
; hFile : HANDLE -> "sptr"
; lpCreationTime : FILETIME* optional -> "var"
; lpLastAccessTime : FILETIME* optional -> "var"
; lpLastWriteTime : FILETIME* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数:
; BOOL SetFileTime(HANDLE hFile, FILETIME* lpCreationTime, FILETIME* lpLastAccessTime, FILETIME* lpLastWriteTime)
#uselib "KERNEL32.dll"
#cfunc global SetFileTime "SetFileTime" intptr, var, var, var
; res = SetFileTime(hFile, lpCreationTime, lpLastAccessTime, lpLastWriteTime)
; hFile : HANDLE -> "intptr"
; lpCreationTime : FILETIME* optional -> "var"
; lpLastAccessTime : FILETIME* optional -> "var"
; lpLastWriteTime : FILETIME* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetFileTime = kernel32.NewProc("SetFileTime")
)

// hFile (HANDLE), lpCreationTime (FILETIME* optional), lpLastAccessTime (FILETIME* optional), lpLastWriteTime (FILETIME* optional)
r1, _, err := procSetFileTime.Call(
	uintptr(hFile),
	uintptr(lpCreationTime),
	uintptr(lpLastAccessTime),
	uintptr(lpLastWriteTime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function SetFileTime(
  hFile: THandle;   // HANDLE
  lpCreationTime: Pointer;   // FILETIME* optional
  lpLastAccessTime: Pointer;   // FILETIME* optional
  lpLastWriteTime: Pointer   // FILETIME* optional
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetFileTime';
result := DllCall("KERNEL32\SetFileTime"
    , "Ptr", hFile   ; HANDLE
    , "Ptr", lpCreationTime   ; FILETIME* optional
    , "Ptr", lpLastAccessTime   ; FILETIME* optional
    , "Ptr", lpLastWriteTime   ; FILETIME* optional
    , "Int")   ; return: BOOL
●SetFileTime(hFile, lpCreationTime, lpLastAccessTime, lpLastWriteTime) = DLL("KERNEL32.dll", "bool SetFileTime(void*, void*, void*, void*)")
# 呼び出し: SetFileTime(hFile, lpCreationTime, lpLastAccessTime, lpLastWriteTime)
# hFile : HANDLE -> "void*"
# lpCreationTime : FILETIME* optional -> "void*"
# lpLastAccessTime : FILETIME* optional -> "void*"
# lpLastWriteTime : FILETIME* optional -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。